21000-00-00-15-085-03-02 | Bently Nevada 1.5 in Standoff Proximity Probe Housing

What Makes the Bently Nevada 21000-00-00-15-085-03-02 Essential for Hazardous Area Monitoring?

When industrial environments demand reliable vibration monitoring in explosive atmospheres, the 21000-00-00-15-085-03-02 from Bently Nevada delivers a robust solution. This proximity probe housing assembly is engineered for hazardous areas, featuring CSA Type 4 enclosure certification and explosion-proof ratings for Class I Divisions 1 and 2 Groups C and D, as well as Class II Divisions 1 and 2 Groups E, F, and G. With a 1.5 in standoff adapter and 8.5 in probe penetration, it provides precise positioning for accurate measurements.

Key Features & Technical Specs of the 21000-00-00-15-085-03-02

• Standoff Adapter: 1.5 in (15 suffix code) ensures consistent probe gap.
• Probe Penetration: 8.5 in (085 suffix code) for deep installation.
• Mounting Thread: 3/4-14 NPT with two plugs, one reducer, and cable seal grip.
• Material: Aluminum body with 304 stainless steel sleeve for durability.
• Weight: 1.1 kg (2.4 lb) typical without fittings.
• Certifications: CSA explosion-proof, RoHS compliant (2011/65/EU).
• Enclosure Type: 4 rated for outdoor use.
• Temperature Ratings: T5 @ -50°C to +40°C; T4 @ -50°C to +80°C.

A distinctive feature of this housing is its integrated cable seal grip that accommodates multiple cable sizes (1/8 to 3/8 inches), simplifying field wiring and reducing installation time.

Real-World Applications for the 21000-00-00-15-085-03-02

In petrochemical plants and refineries, the 21000-00-00-15-085-03-02 excels at monitoring rotating machinery such as pumps, compressors, and turbines. Its explosion-proof design allows safe operation in Class I Division 1 areas where flammable gases may be present. Additionally, the housing meets API 670 standards, making it a trusted choice for externally mounted proximity probes in critical asset protection systems.

Installation & Setup Guidance

Mount the housing using the 3/4-14 NPT fitting or the included reducer for 1/2-14 NPT connections. Secure the probe sleeve at the specified 8.5 in penetration depth. Use the provided cable seal grip with the appropriate grommet for your cable diameter (1/8 to 3/8 inches). Ensure all O-rings and thread seals are properly seated to maintain the explosion-proof integrity.

Maintenance & Reliability Tips

Periodically inspect the housing for signs of corrosion or damage, especially in harsh environments. Verify that the dome cover and conduit connections remain tight. The aluminum body with stainless steel sleeve offers excellent resistance to corrosion, reducing long-term maintenance costs. Regular inspection per the manufacturer's manual helps ensure reliable operation over the equipment's lifespan.

Compatibility & Integration

The 21000-00-00-15-085-03-02 is designed for use with Bently Nevada proximity probes and monitoring systems. It supports both standard and intrinsically safe probe configurations for hazardous area applications. The housing is fully compliant with API 670, ensuring seamless integration into existing vibration monitoring architectures.

FAQs about the 21000-00-00-15-085-03-02

What is the standoff adapter length for this housing?

The standoff adapter is 1.5 in (suffix code 15).

What probe penetration depth does this model support?

It supports an 8.5 in probe penetration (suffix code 085).

Is this housing certified for hazardous locations?

Yes, it has CSA explosion-proof certification for Class I Divisions 1 and 2 Groups C and D, and Class II Divisions 1 and 2 Groups E, F, and G.

What cable sizes does the seal grip accommodate?

The included cable seal grip accepts cables from 1/8 to 3/8 inches in diameter.

What is the weight of the housing without fittings?

It weighs approximately 1.1 kg (2.4 lb).

Product Support & Availability

The 21000-00-00-15-085-03-02 is in stock and ready to ship from Petro Auto Tech. Contact our team for ordering assistance or technical questions. Please verify current lifecycle status and availability with Petro Auto Tech before ordering.